205780245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2729}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 360097920

約数和(自身を除く): 154317675

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 457, 1371, 2285, 2729, 5027, 6855, 8187, 13645, 15081, 25135, 30019, 40935, 75405, 90057, 150095, 450285, 1247153, 3741459, 6235765, 13718683, 18707295, 41156049, 68593415, 205780245]

約数ペア:

[(1, 205780245), (3, 68593415), (5, 41156049), (11, 18707295), (15, 13718683), (33, 6235765), (55, 3741459), (165, 1247153), (457, 450285), (1371, 150095), (2285, 90057), (2729, 75405), (5027, 40935), (6855, 30019), (8187, 25135), (13645, 15081)]